1. Skip to navigation
  2. Skip to content
  3. Skip to sidebar


Callan Bentley's Snapshots

Go to page:
  1. Slickensides

    Snapshot Title: Slickensides
    Taken by: Callan Bentley

    Image: Slickensides on slabs of Brallier Formation shale, Paw Paw Tunnel
    Image Owner: Callan Bentley



    Description:

    Note the steps on these crystal fiber lineations: they indicate that the slab of rock seen here had another slab (since pulled away) moving up relative to it.



  2. Disembodied torso

    Snapshot Title: Disembodied torso
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, upstream exit
    Image Owner: Callan Bentley



    Description:

    of a very nice reading instructor from Montgomery College.



  3. Park ranger

    Snapshot Title: Park ranger
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, upstream exit
    Image Owner: Callan Bentley



    Description:

    The Smokey Bear hat gives it away.



  4. What do these guys see?

    Snapshot Title: What do these guys see?
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, upstream exit
    Image Owner: Callan Bentley



    Description:

    A salamander, perhaps?



  5. Ripple marks

    Snapshot Title: Ripple marks
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, upstream exit
    Image Owner: Callan Bentley



    Description:

    Primary bedding features are visible on this dipping slab of Brallier Formation shale.



  6. 6 million bricks

    Snapshot Title: 6 million bricks
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, downstream exit
    Image Owner: Callan Bentley



    Description:

    That's how many line the walls of this tunnel. It's 3/5 of a mile long.



  7. Seeps

    Snapshot Title: Seeps
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, downstream exit
    Image Owner: Callan Bentley



    Description:

    Water trickling down the surface



  8. Steps

    Snapshot Title: Steps
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, downstream exit
    Image Owner: Callan Bentley



    Description:

    There are functional stairs on either side of the tunnel entrance.



  9. Keystone

    Snapshot Title: Keystone
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, downstream exit
    Image Owner: Callan Bentley



    Description:

    Ceremoniously extra large



  10. Crest of the anticline

    Snapshot Title: Crest of the anticline
    Taken by: Callan Bentley

    Image: Paw Paw Tunnel, downstream exit
    Image Owner: Callan Bentley



    Description:

    .



  11. Swiss cheese

    Snapshot Title: Swiss cheese
    Taken by: Callan Bentley

    Image: Topographic structures of Pyhäselkä area
    Image Owner: Jouko Vanne



    Description:

    What's going on here?



  12. Striations?

    Snapshot Title: Striations?
    Taken by: Callan Bentley

    Image: Topographic structures of Pyhäselkä area
    Image Owner: Jouko Vanne



    Description:

    Large scale glacial striations, I presume... ?



  13. Esker?

    Snapshot Title: Esker?
    Taken by: Callan Bentley

    Image: Topographic structures of Pyhäselkä area
    Image Owner: Jouko Vanne



    Description:

    Is this an esker?



  14. Harpers Hollow Ln

    Snapshot Title: Harpers Hollow Ln
    Taken by: Callan Bentley

    Image: Rt 50 Cut, Mt Pleasant Syncline East limb lower section
    Image Owner: Alan Pitts



    Description:

    sign



  15. Are these...

    Snapshot Title: Are these...
    Taken by: Callan Bentley

    Image: Rt 50 Cut, Mt Pleasant Syncline East limb lower section
    Image Owner: Alan Pitts



    Description:

    ...bedforms of some sort?



  16. Jacob's staff

    Snapshot Title: Jacob's staff
    Taken by: Callan Bentley

    Image: Rt 50 Cut, Mt Pleasant Syncline East limb lower section
    Image Owner: Alan Pitts



    Description:

    1.5 m in length. Red/white bands are in 10 cm increments.



  17. Visitors

    Snapshot Title: Visitors
    Taken by: Callan Bentley

    Image: Great Falls of the Potomac
    Image Owner: Lou Bock



    Description:

    on the Maryland side of the River.



  18. Great blue heron

    Snapshot Title: Great blue heron
    Taken by: Callan Bentley

    Image: Great Falls of the Potomac
    Image Owner: Lou Bock



    Description:

    Stalking fish below the Falls.



  19. Ghost rider

    Snapshot Title: Ghost rider
    Taken by: Callan Bentley

    Image: The Leesburg Conglomerate at Ida Lee Park
    Image Owner: Chris Johnson



    Description:

    Hipster edition



  20. Nearby intersection

    Snapshot Title: Nearby intersection
    Taken by: Callan Bentley

    Image: The Leesburg Conglomerate at Ida Lee Park
    Image Owner: Chris Johnson



    Description:

    Helps find the location of the outcrop...



  21. Rite in the Rain logo

    Snapshot Title: Rite in the Rain logo
    Taken by: Callan Bentley

    Image: The Leesburg Conglomerate at Ida Lee Park
    Image Owner: Chris Johnson



    Description:

    Good detail!



  22. Cobble

    Snapshot Title: Cobble
    Taken by: Callan Bentley

    Image: The Leesburg Conglomerate at Ida Lee Park
    Image Owner: Chris Johnson



    Description:

    .



  23. Sad little back-eyed Susan

    Snapshot Title: Sad little back-eyed Susan
    Taken by: Callan Bentley

    Image: Front yard, August 2012
    Image Owner: Callan Bentley



    Description:

    nibbled by grasshoppers



  24. Knot

    Snapshot Title: Knot
    Taken by: Callan Bentley

    Image: Front yard, August 2012
    Image Owner: Callan Bentley



    Description:

    Or is it not?



  25. Shotgun blast

    Snapshot Title: Shotgun blast
    Taken by: Callan Bentley

    Image: Front yard, August 2012
    Image Owner: Callan Bentley



    Description:

    Thanks to the previous owners



  26. "Flowers" on hummingbird feeder

    Snapshot Title: "Flowers" on hummingbird feeder
    Taken by: Callan Bentley

    Image: Front yard, August 2012
    Image Owner: Callan Bentley



    Description:

    1" diameter apiece



  27. Firewood

    Snapshot Title: Firewood
    Taken by: Callan Bentley

    Image: Side yard, August 2012
    Image Owner: Callan Bentley



    Description:

    Gonna reverse me some photosynthesis this winter!



  28. CALLAN

    Snapshot Title: CALLAN
    Taken by: Callan Bentley

    Image: Side yard, August 2012
    Image Owner: Callan Bentley



    Description:

    The license plate



  29. Nice hackles

    Snapshot Title: Nice hackles
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    flaring out at the edge of a joint (rusty)



  30. Joints

    Snapshot Title: Joints
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    Vertically oriented



  31. Sand body pinches out

    Snapshot Title: Sand body pinches out
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    to the west, swells in thickness as you trace it out to the east.



  32. Hackle fringe!

    Snapshot Title: Hackle fringe!
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    Edge of a fracture



  33. Small fault?

    Snapshot Title: Small fault?
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    Apparently, there's a small thrust here, displacing east (left) over west (right).



  34. Small fault?

    Snapshot Title: Small fault?
    Taken by: Callan Bentley

    Image: Hampshire Formation strata
    Image Owner: Callan Bentley



    Description:

    Apparent offset slightly displaces east (left) over west (right)



  35. Turkey Vulture

    Snapshot Title: Turkey Vulture
    Taken by: Callan Bentley

    Image: Hampshire Formation strata
    Image Owner: Callan Bentley



    Description:

    soaring high, trailing annotations



  36. Prius

    Snapshot Title: Prius
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    for scale



  37. Prius

    Snapshot Title: Prius
    Taken by: Callan Bentley

    Image: Hampshire Formation strata
    Image Owner: Callan Bentley



    Description:

    for scale



  38. Pillows of sand in mudstone

    Snapshot Title: Pillows of sand in mudstone
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    .



  39. Pillows

    Snapshot Title: Pillows
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    of sand have almost completely separated from one another as their dense masses sagged downward into the Devonian mud.



  40. Pillow

    Snapshot Title: Pillow
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    of sandstone, showing the downward flexing of its internal layering



Go to page: